US3227734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal 4-methylsulfonyl-2,6-dinitro-n,n-substituted anilines
Assignee: Shell USA Inc
•
Filing: 1964-11-13
•
Granted: 1966-01-04
•
Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Soloway
- 👤 Kenneth D Zwahlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:07
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/26; C07C317/32; C07C317/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |